JP2015092543A - 軟磁性粒子粉末、軟磁性樹脂組成物、軟磁性フィルム、軟磁性フィルム積層回路基板および位置検出装置 - Google Patents
軟磁性粒子粉末、軟磁性樹脂組成物、軟磁性フィルム、軟磁性フィルム積層回路基板および位置検出装置 Download PDFInfo
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- JP2015092543A JP2015092543A JP2014175877A JP2014175877A JP2015092543A JP 2015092543 A JP2015092543 A JP 2015092543A JP 2014175877 A JP2014175877 A JP 2014175877A JP 2014175877 A JP2014175877 A JP 2014175877A JP 2015092543 A JP2015092543 A JP 2015092543A
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- 229920001194 natural rubber Polymers 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 239000003960 organic solvent Substances 0.000 description 1
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- 229920006289 polycarbonate film Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
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- 229920006290 polyethylene naphthalate film Polymers 0.000 description 1
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- 238000005549 size reduction Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
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- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 229920006259 thermoplastic polyimide Polymers 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Substances C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 229910000859 α-Fe Inorganic materials 0.000 description 1
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Abstract
Description
本発明の軟磁性粒子粉末は、扁平状の軟磁性粒子からなる。
D10/D50 > 0.45 (2)
D10/D50 > 0.48 (3)
D10/D50 > 0.50 (4)
D10/D50 が上記式を満たすことにより、軟磁性フィルムの薄膜化を図りながら、軟磁性フィルムの比透磁率に良好にすることができる。
0.70 > D10/D50 (6)
また、軟磁性粒子粉末の粒子径D90は、例えば、80μm以上、好ましくは、100μm以上、より好ましくは、130μm以上であり、また、例えば、350μm以下、好ましくは、200μm以下、より好ましくは、150μm以下である。これにより、軟磁性フィルムの成膜性を向上しつつ、軟磁性フィルムの比透磁率を良好にすることができる。
本発明の軟磁性樹脂組成物は、軟磁性粒子粉末および樹脂成分を含有する。
本発明の軟磁性フィルムは、軟磁性樹脂組成物からシート状に形成される。
本発明の軟磁性フィルム積層回路基板は、軟磁性フィルムを回路基板に積層することにより製造される。
本発明の位置検出装置は、例えば、上記の軟磁性フィルム積層回路基板およびその軟磁性フィルム積層回路基板に実装されるセンサ部を備えるセンサ基板と、センサ基板の上に対向配置される位置検出平面板と、を備えている。
(軟磁性粒子粉末の分級)
扁平状の軟磁性粒子粉末としてセンダスト(Fe−Si−Al合金、商品名「SP−7」、扁平状、メイト社製、保磁力67A/m)を用いた。乾式分級器(日清エンジニアリング社製、ターボクラシファイアTC−15NS)を用いて、回転羽根の回転速度2140rpm、風量1.3m3/minの条件で、この軟磁性粒子粉末に送風し、重量の軽い粒子を吹き飛ばし、重量の重い粒子を採取することにより、実施例1の軟磁性粒子粉末を得た。
次いで、軟磁性樹脂組成物における軟磁性粒子の含有割合(固形分)が60体積%となるように、実施例1の軟磁性粒子粉末900質量部(90質量%)、アクリル酸エステル系ポリマー50質量部、ビスフェノールA型エポキシ樹脂(1)20質量部、ビスフェノールA型エポキシ樹脂(2)12質量部、フェノールアラルキル樹脂18質量部、および、熱硬化触媒0.5質量部を混合することにより、軟磁性樹脂組成物を得た。
乾式分級器において、回転羽根の回転速度1700rpm、風量1.5m3/minの条件に変更した以外は実施例1と同様に分級して、実施例2の軟磁性粒子粉末を得た。この実施例2の軟磁性粒子粉末を用いた以外は実施例1と同様にして、軟磁性フィルムを製造した。この結果を表1に示す。
乾式分級器において、回転羽根の回転速度1190rpm、風量1.2m3/minの条件に変更した以外は実施例1と同様に分級して、実施例3の軟磁性粒子粉末を得た。この実施例3の軟磁性粒子粉末を用いた以外は実施例1と同様にして、軟磁性フィルムを製造した。この結果を表1に示す。
乾式分級器において、回転羽根の回転速度850rpm、風量1.4m3/minの条件に変更した以外は実施例1と同様に分級して、実施例4の軟磁性粒子粉末を得た。この実施例4の軟磁性粒子粉末を用いた以外は実施例1と同様にして、軟磁性フィルムを製造した。この結果を表1に示す。
乾式分級器において、回転羽根の回転速度2500rpm、風量1.4m3/minの条件に変更した以外は実施例1と同様に分級して、実施例5の軟磁性粒子粉末を得た。この実施例5の軟磁性粒子粉末を用いた以外は実施例1と同様にして、軟磁性フィルムを製造した。この結果を表1に示す。
扁平状の軟磁性粒子としてセンダスト(Fe−Si−Al合金、商品名「FME3DH」、扁平状、真比重6.8g/cm3 、山陽特殊製鋼社製)を用い、乾式分級器において、回転羽根の回転速度2900rpm、風量1.4m3/minの条件に変更した以外は実施例1と同様に分級して、実施例6の軟磁性粒子粉末を得た。この実施例6の軟磁性粒子粉末を用いた以外は実施例1と同様にして、軟磁性フィルムを製造した。この結果を表1に示す。
乾式分級器において、回転羽根の回転速度2750rpm、風量1.3m3/minの条件に変更した以外は実施例6と同様に分級して、実施例7の軟磁性粒子粉末を得た。この実施例7の軟磁性粒子粉末を用いた以外は実施例1と同様にして、軟磁性フィルムを製造した。この結果を表1に示す。
乾式分級器において、回転羽根の回転速度1850rpm、風量1.5m3/minの条件に変更し、重量の軽い粒子を採取した以外は実施例1と同様に分級して、比較例1の軟磁性粒子粉末を得た。この比較例1の軟磁性粒子粉末を用いた以外は実施例1と同様にして、軟磁性フィルムを製造した。この結果を表1に示す。
乾式分級器において、回転羽根の回転速度2800rpm、風量1.1m3/minの条件に変更した以外は実施例1と同様に分級して、比較例2の軟磁性粒子粉末を得た。この比較例2の軟磁性粒子粉末を用いた以外は実施例1と同様にして、軟磁性フィルムを製造した。この結果を表1に示す。
各実施例および各比較例において、軟磁性樹脂組成物を塗布して軟磁性フィルムを製造した際に、フィルム状に成形でき、かつ、フィルム表面が均一であった場合を○と評価し、フィルム状に成膜できたが、フィルム表面が不均一であった場合を△と評価し、フィルム状に成形できなかった場合を×と評価した。この結果を表1に示す。
各実施例および各比較例で製造した軟磁性フィルムの比透磁率は、インピーダンスアナライザ(Agilent社製、商品番号「4294A」)を用いて、1MHzにおけるインピーダンスを測定することにより求めた。この結果を表1に示す。
・アクリル酸エステル系ポリマー:商品名「パラクロンW−197CM」、アクリル酸エチル−メタクリル酸メチルを主成分とするアクリル酸エステル系ポリマー、根上工業社製
・ビスフェノールA型エポキシ樹脂(1):商品名「エピコート1004」、エポキシ当量875〜975g/eq、JER社製、
・ビスフェノールA型エポキシ樹脂(2):商品名、「エピコートYL980」、エポキシ当量180〜190g/eq、JER社製
・フェノールアラルキル樹脂:商品名「ミレックスXLC−4L」、水酸基当量170g/eq、三井化学社製
・熱硬化触媒:商品名「キュアゾール2PHZ−PW」、2−フェニル−1H−イミダゾール4,5−ジメタノール、四国化成社製
2 回路基板
6 樹脂成分
7 軟磁性粒子
8 軟磁性フィルム積層回路基板
Claims (6)
- 扁平状の軟磁性粒子からなる軟磁性粒子粉末であって、
レーザー回折式粒度分布測定器により測定される粒子径D10および粒子径D50が下記式: D10/D50 > 0.30
を満たすことを特徴とする、軟磁性粒子粉末。 - 前記軟磁性粒子粉末および樹脂成分を含有することを特徴とする、軟磁性樹脂組成物。
- 前記樹脂成分が、エポキシ樹脂、フェノール樹脂およびアクリル樹脂を含有することを特徴とする、請求項2に記載の軟磁性樹脂組成物。
- 請求項2または3に記載の軟磁性樹脂組成物から形成されることを特徴とする、軟磁性フィルム。
- 前記軟磁性フィルムを回路基板に積層することにより得られることを特徴とする、軟磁性フィルム積層回路基板。
- 前記軟磁性フィルム積層回路基板を備えることを特徴とする、位置検出装置。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014175877A JP6567259B2 (ja) | 2013-10-01 | 2014-08-29 | 軟磁性樹脂組成物、軟磁性フィルム、軟磁性フィルム積層回路基板および位置検出装置 |
PCT/JP2014/074638 WO2015049993A1 (ja) | 2013-10-01 | 2014-09-18 | 軟磁性粒子粉末、軟磁性樹脂組成物、軟磁性フィルム、軟磁性フィルム積層回路基板および位置検出装置 |
KR1020167007530A KR102253203B1 (ko) | 2013-10-01 | 2014-09-18 | 연자성 입자 분말, 연자성 수지 조성물, 연자성 필름, 연자성 필름 적층 회로 기판 및 위치 검출 장치 |
US15/025,473 US10418161B2 (en) | 2013-10-01 | 2014-09-18 | Soft magnetic particle powder, soft magnetic resin composition, soft magnetic film, soft magnetic film laminated circuit board, and position detection device |
EP14850185.1A EP3054462B1 (en) | 2013-10-01 | 2014-09-18 | Soft magnetic particle powder, soft magnetic resin composition, soft magnetic film, soft magnetic film laminated circuit board, and position detection device |
CN201480054812.2A CN105593953B (zh) | 2013-10-01 | 2014-09-18 | 软磁性颗粒粉末、软磁性树脂组合物、软磁性薄膜、软磁性薄膜层叠电路基板及位置检测装置 |
TW103134278A TWI637407B (zh) | 2013-10-01 | 2014-10-01 | 軟磁性粒子粉末、軟磁性樹脂組合物、軟磁性膜、軟磁性膜積層電路基板及位置檢測裝置 |
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TWI637407B (zh) | 2018-10-01 |
TW201517077A (zh) | 2015-05-01 |
EP3054462A4 (en) | 2017-05-17 |
US20160211061A1 (en) | 2016-07-21 |
CN105593953B (zh) | 2019-10-15 |
WO2015049993A1 (ja) | 2015-04-09 |
EP3054462A1 (en) | 2016-08-10 |
KR102253203B1 (ko) | 2021-05-17 |
US10418161B2 (en) | 2019-09-17 |
CN105593953A (zh) | 2016-05-18 |
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KR20160065825A (ko) | 2016-06-09 |
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